// Copyright 2024 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package coretask

// HasDependency check if 2 tasks have dependency between them when the task graph was resolved with given task set.
func HasDependency(taskSet *TaskSet, dependencyFrom UntypedTask, dependencyTo UntypedTask) (bool, error) {
	sourceSet, err := NewTaskSet([]UntypedTask{dependencyFrom})
	if err != nil {
		return false, err
	}
	resolvedSet, err := sourceSet.ToRunnableTaskSet()
	if err != nil {
		return false, err
	}
	dependentTasks := resolvedSet.GetAll()
	for _, task := range dependentTasks {
		if task.UntypedID().String() == dependencyTo.UntypedID().String() {
			return true, nil
		}
	}
	return false, nil
}
